The information in this article applies to:
- Microsoft Windows NT operating system, version 3.1
- Microsoft Windows NT Advanced Server, version 3.1
The Autoconvert program converts file systems to NTFS. During Windows
NT Setup, Autoconvert reboots your system three times. This is because
it needs to unmount and remount partitions several times while
handling open files. The following sequence of events occurs:
- From Setup or Disk Administrator, file system conversion is
initiated. Before any changes can be made to the target volume, the
system must be rebooted.
- NTFS requires that a particular sector (n/2) be free to store a
backup copy of the boot sector. Autoconvert begins by noting that
sector n/2 is not free. Autoconvert then shuffles file-system
structures until this sector is free. To prevent any possibility of
disk corruption due to incomplete conversion, it reboots the system
so that the file system will remount the volume and recognize the
changes just made.
- Autoconvert now recognizes that sector n/2 is free. It converts the
volume to NTFS. Once finished, it writes the new sectors, zero and
n/2, and then, to force the file system to remount the volume as
NTFS, reboots.
- Autoconvert recognizes that the volume is now NTFS, displays the
"Volume is already NTFS" message, takes itself out of the Registry,
and lets the system continue.
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